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654e with FS-535 jamming at SD unit

I don't get stumped often, in fact it has not happened for years.

This has me baffled.

A3 fed straight out of either tray of the FN no problems at all, single sided and duplex.

A3 fed to the SD unit ends up intermittently dog eared on either the front or rear leading edge corner and rolls up at the anti static brush area after the entrance rollers. It ONLY does this in the middle of larger booklets (so the stack of paper in the SD ready to be stapled and folded is quite thick) It will not do it on the first page or on thinner booklets.

leading edge curl is minimal, switching gate that changes path to SD or output trays is working fine, i pulled this area apart and saw nothing wrong.

Everything happens so quick and and random its hard to determine if the dog ear (not sharply folded) is happening at the SD unit or at the switching gate.

Anyone seen this before ?

If at first you don't succeed, try the way I told you how to do it in the first place.

Re: 654e with FS-535 jamming at SD unit

I've had a similar issue on a 754/fs535SD with over 2 millions printouts mainly used for booklets. A metal support located in the centre of the SD unit was broken at one of its ends. Can't provide a part code because, after disassemble, we decided to solder it. Maibe, in your case, it is only bent and harder to find.
Good luck

... In the minute that you're thinking of giving up, think about why you lasted so long ...

Re: 654e with FS-535 jamming at SD unit

Jam code? =^..^=

If you'd like a serious answer to your request:
1) demonstrate that you've read the manual
2) demonstrate that you made some attempt to fix it.
3) if you're going to ask about jams include the jam code.
4) if you're going to ask about an error code include the error code.

Re: 654e with FS-535 jamming at SD unit

After finally getting a chance to look at a fully functional FS-535 i think i see the problem.

This is the switching guide to either send paper down to the SD unit or out the finisher tray(s) as normal

The one on the machine dog earing on the way down to the SD unit just isnt right. Theres a gap at the rear in the relaxed straight out position, so when it is in the SD position i suspect there is too much clearance allowing the corner of the sheet to fold over. It is happening most at the back side.

Re: 654e with FS-535 jamming at SD unit

I see it! Good catch! I'm assuming that the swivel at the rear has popped out of the frame.
=^..^=

If you'd like a serious answer to your request:
1) demonstrate that you've read the manual
2) demonstrate that you made some attempt to fix it.
3) if you're going to ask about jams include the jam code.
4) if you're going to ask about an error code include the error code.